toxicant
Noun · AdjectiveWordNet 3.0
Noun (1)
- any substance that causes injury or illness or death of a living organismSynonyms: poisonpoisonous substance
Adjective (1)
- having the qualities or effects of a poisonSynonyms: poisonous
Webster's Dictionary (GCIDE)
Toxicant \Tox"i*cant\, n. A poisonous agent or drug, as opium; an intoxicant. [1913 Webster]